Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - In situ values of sound reflection under direct sound field conditions
NORMA vydána dne 19.9.2018
Designation standards: UNE-EN 1793-5:2018
Publication date standards: 19.9.2018
The number of pages: 61
Approximate weight : 183 g (0.40 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE